package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Scanner;

public class JDBCDemo8 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection()){
            Scanner scanner = new Scanner(System.in);
            System.out.println("请输入用户名");
            String username = scanner.nextLine();
            System.out.println("请输入密码");
            String password = scanner.nextLine();
            String sql = "SELECT username ,password FROM userinfo WHERE username = ? AND password = ? ";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,username);
            ps.setString(2,password);
            ResultSet rs = ps.executeQuery();
            System.out.println((rs.next())?"登陆成功":"登录失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }

    }
}
